/php/xuzhou58/xuzhou58.com/include/image.class.php

<?php

class image

{

	var $attachinfo;

	var $targetfile;	//????

	var $imagecreatefromfunc;

	var $imagefunc;

	var $attach;

	var $animatedgif;

	var $watermarkquality;

	var $watermarktext;

	var $thumbstatus;

	var $watermarkstatus;



	function image($targetfile, $cfg_thumb, $cfg_watermarktext, $photo_waterpos, $photo_diaphaneity, $photo_wheight, $photo_wwidth, $cfg_watermarktype, $photo_marktrans,$trueMarkimg, $attach = array())

	{

		$this->__construct($targetfile, $cfg_thumb, $cfg_watermarktext, $photo_waterpos, $photo_diaphaneity, $photo_wheight, $photo_wwidth, $cfg_watermarktype, $photo_marktrans,$trueMarkimg, $attach);

	}



	function __construct($targetfile, $cfg_thumb, $cfg_watermarktext, $photo_waterpos, $photo_diaphaneity, $photo_wheight, $photo_wwidth, $cfg_watermarktype, $photo_marktrans,$trueMarkimg, $attach = array())

	{

		$this->thumbstatus = $cfg_thumb;

		$this->watermarktext = $cfg_watermarktext;

		$this->watermarkstatus = $photo_waterpos;

		$this->watermarkquality = $photo_marktrans;

		$this->watermarkminwidth = $photo_wwidth;

		$this->watermarkminheight = $photo_wheight;

		$this->watermarktype = $cfg_watermarktype;

		$this->watermarktrans = $photo_diaphaneity;

		$this->animatedgif = 0;

		$this->targetfile = $targetfile;

		$this->attachinfo = @getimagesize($targetfile);

		$this->attach = $attach;





		switch($this->attachinfo['mime'])

		{

			case 'image/jpeg':

				$this->imagecreatefromfunc = function_exists('imagecreatefromjpeg') ? 'imagecreatefromjpeg' : '';

				$this->imagefunc = function_exists('imagejpeg') ? 'imagejpeg' : '';

				break;

			case 'image/gif':

				$this->imagecreatefromfunc = function_exists('imagecreatefromgif') ? 'imagecreatefromgif' : '';

				$this->imagefunc = function_exists('imagegif') ? 'imagegif' : '';

				break;

			case 'image/png':

				$this->imagecreatefromfunc = function_exists('imagecreatefrompng') ? 'imagecreatefrompng' : '';

				$this->imagefunc = function_exists('imagepng') ? 'imagepng' : '';

				break;

		}//?????????????



		$this->attach['size'] = empty($this->attach['size']) ? @filesize($targetfile) : $this->attach['size'];

		if($this->attachinfo['mime'] == 'image/gif')

		{

			$fp = fopen($targetfile, 'rb');

			$targetfilecontent = fread($fp, $this->attach['size']);

			fclose($fp);

			$this->animatedgif = strpos($targetfilecontent, 'NETSCAPE2.0') === false ? 0 : 1;

		}

	}



	function thumb($thumbwidth, $thumbheight, $preview = 0)

	{

		$this->thumb_gd($thumbwidth, $thumbheight, $preview);



		if($this->thumbstatus == 2 && $this->watermarkstatus)

		{

			$this->image($this->targetfile, $this->attach);

			$this->attach['size'] = filesize($this->targetfile);

		}

	}



	function watermark($preview = 0)

	{

		if($this->watermarkminwidth && $this->attachinfo[0] <= $this->watermarkminwidth && $this->watermarkminheight && $this->attachinfo[1] <= $this->watermarkminheight)

		{

			return ;

		}

		$this->watermark_gd($preview);

	}



	function thumb_gd($thumbwidth, $thumbheight, $preview = 0)

	{



		if($this->thumbstatus && function_exists('imagecreatetruecolor') && function_exists('imagecopyresampled') && function_exists('imagejpeg'))

		{

			$imagecreatefromfunc = $this->imagecreatefromfunc;

			$imagefunc = $this->thumbstatus == 1 ? 'imagejpeg' : $this->imagefunc;

			list($imagewidth, $imageheight) = $this->attachinfo;

			if(!$this->animatedgif && ($imagewidth >= $thumbwidth || $imageheight >= $thumbheight))

			{

				$attach_photo = $imagecreatefromfunc($this->targetfile);

				$x_ratio = $thumbwidth / $imagewidth;

				$y_ratio = $thumbheight / $imageheight;

				if(($x_ratio * $imageheight) < $thumbheight)

				{

					$thumb['height'] = ceil($x_ratio * $imageheight);

					$thumb['width'] = $thumbwidth;

				}

				else

				{

					$thumb['width'] = ceil($y_ratio * $imagewidth);

					$thumb['height'] = $thumbheight;

				}

				$targetfile = !$preview ? ($this->thumbstatus == 1 ? $this->targetfile.'.thumb.jpg' : $this->targetfile) : './watermark_tmp.jpg';

				$thumb_photo = imagecreatetruecolor($thumb['width'], $thumb['height']);

				imagecopyresampled($thumb_photo, $attach_photo, 0, 0, 0, 0, $thumb['width'], $thumb['height'], $imagewidth, $imageheight);

				if($this->attachinfo['mime'] == 'image/jpeg')

				{

					$imagefunc($thumb_photo, $targetfile, 100);

				}

				else

				{

					$imagefunc($thumb_photo, $targetfile);

				}

				$this->attach['thumb'] = $this->thumbstatus == 1 ? 1 : 0;

			}

		}

	}



	function watermark_gd($preview = 0)

	{

		if($this->watermarkstatus && function_exists('imagecopy') && function_exists('imagealphablending') && function_exists('imagecopymerge'))

		{

			$imagecreatefunc = $this->imagecreatefromfunc;

			$imagefunc = $this->imagefunc;

			list($imagewidth, $imageheight) = $this->attachinfo;

			if($this->watermarktype < 2)

			{

				$watermark_file = $this->watermarktype == 1 ? DEDEROOT.'/data/mark/mark.png' : DEDEROOT.'/data/mark/mark.gif';

				$watermarkinfo = @getimagesize($watermark_file);

				$watermark_logo = $this->watermarktype == 1 ? @imagecreatefrompng($watermark_file) : @imagecreatefromgif($watermark_file);

				if(!$watermark_logo)

				{

					return ;

				}

				list($logowidth, $logoheight) = $watermarkinfo;

			}

			else

			{

				$box = @imagettfbbox($this->watermarktext['size'], $this->watermarktext['angle'], $this->watermarktext['fontpath'],$this->watermarktext['text']);

				$logowidth = max($box[2], $box[4]) - min($box[0], $box[6]);

				$logoheight = max($box[1], $box[3]) - min($box[5], $box[7]);

				$ax = min($box[0], $box[6]) * -1;

				$ay = min($box[5], $box[7]) * -1;

			}

			$wmwidth = $imagewidth - $logowidth;

			$wmheight = $imageheight - $logoheight;

			if(($this->watermarktype < 2 && is_readable($watermark_file) || $this->watermarktype == 2) && $wmwidth > 10 && $wmheight > 10 && !$this->animatedgif)

			{

				switch($this->watermarkstatus)

				{

					case 1:



						$x = +5;

						$y = +5;

						break;

					case 2:

						$x = ($imagewidth - $logowidth) / 2;

						$y = +5;

						break;

					case 3:

						$x = $imagewidth - $logowidth - 5;

						$y = +5;

						break;

					case 4:

						$x = +5;

						$y = ($imageheight - $logoheight) / 2;

						break;

					case 5:

						$x = ($imagewidth - $logowidth) / 2;

						$y = ($imageheight - $logoheight) / 2;

						break;

					case 6:

						$x = $imagewidth - $logowidth - 5;

						$y = ($imageheight - $logoheight) / 2;

						break;

					case 7:

						$x = +5;

						$y = $imageheight - $logoheight - 5;

						break;

					case 8:

						$x = ($imagewidth - $logowidth) / 2;

						$y = $imageheight - $logoheight - 5;

						break;

					case 9:

						$x = $imagewidth - $logowidth - 5;

						$y = $imageheight - $logoheight -5;

						break;

				}

				$dst_photo = @imagecreatetruecolor($imagewidth, $imageheight);

				$target_photo = $imagecreatefunc($this->targetfile);

				imagecopy($dst_photo, $target_photo, 0, 0, 0, 0, $imagewidth, $imageheight);

				if($this->watermarktype == 1)

				{

					imagecopy($dst_photo, $watermark_logo, $x, $y, 0, 0, $logowidth, $logoheight);

				}

				elseif($this->watermarktype == 2)

				{

					if(($this->watermarktext['shadowx'] || $this->watermarktext['shadowy']) && $this->watermarktext['shadowcolor'])

					{

						$shadowcolorrgb = explode(',', $this->watermarktext['shadowcolor']);

						$shadowcolor = imagecolorallocate($dst_photo, $shadowcolorrgb[0], $shadowcolorrgb[1], $shadowcolorrgb[2]);

						imagettftext($dst_photo, $this->watermarktext['size'], $this->watermarktext['angle'],

						$x + $ax + $this->watermarktext['shadowx'], $y + $ay + $this->watermarktext['shadowy'], $shadowcolor,

						$this->watermarktext['fontpath'], $this->watermarktext['text']);

					}

					$colorrgb = explode(',', $this->watermarktext['color']);

					$color = imagecolorallocate($dst_photo, $colorrgb[0], $colorrgb[1], $colorrgb[2]);

					imagettftext($dst_photo, $this->watermarktext['size'], $this->watermarktext['angle'],

					$x + $ax, $y + $ay, $color, $this->watermarktext['fontpath'], $this->watermarktext['text']);

				}

				else

				{

					imagealphablending($watermark_logo, true);

					imagecopymerge($dst_photo, $watermark_logo, $x, $y, 0, 0, $logowidth, $logoheight, $this->watermarktrans);

				}

				$targetfile = !$preview ? $this->targetfile : './watermark_tmp.jpg';

				if($this->attachinfo['mime'] == 'image/jpeg')

				{

					$imagefunc($dst_photo, $targetfile, $this->watermarkquality);

				}

				else

				{

					$imagefunc($dst_photo, $targetfile);

				}

				$this->attach['size'] = filesize($this->targetfile);

			}

		}

	}

}

?>